OpenTechnical

OT-2026-000076349

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000076349) never changes.

Identity and time

Publication numberOT-2026-000076349 · never reused
Internal UUID01a0ae94-6a70-750e-9984-a6496425b941 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076349
StatusPUBLIC

Content hashes

Canonical textba37612641fceceab69129db0bd823ed9ab3a730fd90e625b86802a0c8100286
Markdown93fa78cecdfa9ee83bf395631c0093a6ffc691437506d8abe291eac475275f4a
PDF
Publication pagebe52c3c0b62febf371b2dab58b9aaec3fc11bbfbcca0a255d465f0ad09f57870
Manifest0c113bb714dd8b5eb39fd94c68f2e3c294c995a909eada1ec9d4aea8e9a52e22

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturegs56VlkK7zJlrP3aC5c+OWFSVvEeRUeJ8A/rQRT/IfFWOetc3P0Su/jzJgJEt+3Wq8k6djtw+KZc5BaZDs3qCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:12:12.635775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076349
observed be52c3c0b62febf371b2dab58b9aaec3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:12.615800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076349/manifest.json
observed 0c113bb714dd8b5eb39fd94c68f2e3c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:12.596457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076349/publication.md
observed 93fa78cecdfa9ee83bf395631c0093a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:12.561182ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076349/publication.txt
observed ba37612641fceceab69129db0bd823ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.